The John G. White Chess Library in Cleveland has about one hundred thousand volumes. Victor Mollo has had about two dozen books published on bridge. But the number of titles available on Scrabble [registered trademark] can be counted on the titles of one rack, and until a year ago, none of them was based on the Official Scrabble Players Dictionary.
"Two New Books on Scrabble,"
Word Ways: Vol. 20
, Article 10.
Available at: https://digitalcommons.butler.edu/wordways/vol20/iss3/10